[PATCH 2/3] writeback: Export inode_io_list_del()

Jan Kara
2020-04-21T08:54:54Z

Ext4 needs to remove inode from writeback lists after it is out of
visibility of its journalling machinery (which can still dirty the
inode). Export inode_io_list_del() for it.

Signed-off-by: Jan Kara <jack@suse.cz>
---
fs/fs-writeback.c | 1 +
fs/internal.h | 2 --
include/linux/writeback.h | 1 +
3 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 76ac9c7d32ec..e58bd5f758d0 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -1126,6 +1126,7 @@ void inode_io_list_del(struct inode *inode)
inode_io_list_del_locked(inode, wb);
spin_unlock(&wb->list_lock);
}
+EXPORT_SYMBOL(inode_io_list_del);

/*
* mark an inode as under writeback on the sb
diff --git a/fs/internal.h b/fs/internal.h
index aa5d45524e87..8819d0d58b03 100644
--- a/fs/internal.h
+++ b/fs/internal.h
@@ -143,8 +143,6 @@ extern int dentry_needs_remove_privs(struct dentry *dentry);
/*
* fs-writeback.c
*/
-extern void inode_io_list_del(struct inode *inode);
-
extern long get_nr_dirty_inodes(void);
extern int invalidate_inodes(struct super_block *, bool);

diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index a19d845dd7eb..902aa317621b 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -197,6 +197,7 @@ void wakeup_flusher_threads(enum wb_reason reason);
void wakeup_flusher_threads_bdi(struct backing_dev_info *bdi,
enum wb_reason reason);
void inode_wait_for_writeback(struct inode *inode);
+void inode_io_list_del(struct inode *inode);

/* writeback.h requires fs.h; it, too, is not included from here. */
static inline void wait_on_inode(struct inode *inode)
--
2.16.4